Trait StringExt 

pub trait StringExt {
    // Required method
    fn is_numeric(&self) -> bool;
}

Add persistent-identifier utilities to string values.

Required Methods

fn is_numeric(&self) -> bool

Check whether all characters in a string are numeric.

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementations on Foreign Types

impl StringExt for str

fn is_numeric(&self) -> bool

Implementors

impl StringExt for String